Chlorophyceae:
Volvocales: Volvocaceae
Volvocica: Volvocina: Goniidae
Gonium formosum
Pascher 1927
Species: Colonies of 16 cells arranged with equal distances;
interspace present between gelatinous coats of the cells; cell body ovoid or ellipsoid in shape,
10-13 μm in diam.; chloroplast with a single pyrenoid
(Illustrations of The Japanese Fresh-water Algae, 1977).
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Gonium formosum,
cell body μm long, μm wide,
x 640, near Yanase river, Mizuko, Fujimi city, Saitama Pref., Japan, December 2003 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Gonium pectorale,
cell body μm long, μm wide,
x 640, near Yanase river, Mizuko, Fujimi city, Saitama Pref., Japan, December 2003 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
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